I don't know if it's old copy pasta or your actual opinion for current meta but I can tell you that this makes no sense to me for the most part.

You are telling us that anbu tactics is bad because 6Path Naruto has his own leech and then you are saying Fire Main's leech is good cuz a lot of ninjas c*e it People also don't use LM for acupuncture at all. Reasons why fire main and yes that bad lightning main are the best mains in the game are pretty simple:

1) LM has best sustain and survivability talents in the game that go well with most of the current teams (anbu tactics and root of the warrior) and no it's not to make pos1 ninja even more tanky, they will survive anyway, its to make your backline able to survive for 2-3 rounds. LM c*so clear debuffs from GNW Orochimaru so he can summon his kages in later rounds.

2) Fire main is only good because of bani chakra for 10T Madara but mostly Death Mirage talent (nobody cares about imprison lol), that crit debuff is just broken and that's the reason why everybody is using fire main, it will change soon since China already nerfed this passive and now fire main is not that popular anymore.

3) Water main complete nonsense, she is good cuz of revive and chase dodge

4) Wind main is useless right now so no point talking about it

5) Earth main probably only thing I agree with, shield / chakra stacking for early blitz with ninjas like 6p Pain + Xmas Kushina is very strong otherwise useless.